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$262+ Cheap flights from Michigan to Porto (OPO)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 7/14. Fares are subject to change and may not be available on all flights or dates of travel.
DTW — OPO
Jun 21 — Jun 281
Sat 6/21
Sat 6/28
1 adult, Economy
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Cheap flight deals from Michigan to Porto

Keep the following information in mind while searching for Michigan to Porto flight deals. Data was last updated June 16, 2025.

Round-trip from

$695
(Delta)

One-way from

$262
(Mytrip)

Popular in

April

Cheapest in

January

Average price

$1,568
From Michigan to Porto
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One-way flight from Michigan to Porto
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Highest demand for flights based on searches. 24% potential increase in price ($345 potential increase over avg. RT price).
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Cheapest flight prices on average. 8% potential price decrease ($79 potential savings vs. average RT price).
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Average for round-trip flights in June 2025
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Find flight deals from Michigan to Porto

Cheapest flights from Michigan to Porto
Explore the most affordable flight options available from Michigan to Porto. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 16, 2025.

This Delta deal was found by Cheapflights users on 6/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/154:20 pmORD - OPO
1 stop23h 55mDelta
Wed 7/239:20 amOPO - ORD
2 stops18h 23mDelta
Deal found 6/16$695
This Air Canada deal was found by Cheapflights users on 6/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/143:35 pmORD - OPO
1 stop12h 00mAir Canada
Sun 7/2011:20 amOPO - ORD
2 stops27h 49mAir Canada
Deal found 6/16$697
This KLM deal was found by Cheapflights users on 6/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/24:50 pmORD - OPO
1 stop23h 25mKLM
Thu 7/106:30 amOPO - ORD
1 stop13h 40mKLM
Deal found 6/14$699
This Kiwi.com deal was found by Cheapflights users on 6/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/316:00 pmORD - OPO
1 stop10h 55mTAP AIR PORTUGAL
Sat 9/611:00 amOPO - ORD
1 stop11h 30mTAP AIR PORTUGAL
Deal found 6/14$701
This United Airlines deal was found by Cheapflights users on 6/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/133:35 pmORD - OPO
1 stop11h 45mUnited Airlines
Sun 8/176:00 amOPO - ORD
1 stop35h 00mUnited Airlines
Deal found 6/16$707
This Iberia deal was found by Cheapflights users on 6/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/2510:25 pmORD - OPO
1 stop27h 10mIberia
Sat 9/68:15 amOPO - ORD
2 stops17h 30mIberia
Deal found 6/16$714
This Air France deal was found by Cheapflights users on 6/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/87:21 pmMDW - OPO
2 stops14h 14mKLM
Wed 7/166:15 amOPO - MDW
2 stops17h 24mKLM
Deal found 6/15$714
This Expedia deal was found by Cheapflights users on 6/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/161:01 pmORD - OPO
2 stops14h 19mMultiple Airlines
Wed 7/238:40 amOPO - ORD
1 stop13h 15mMultiple Airlines
Deal found 6/15$715
This Turkish Airlines deal was found by Cheapflights users on 6/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/267:50 pmORD - OPO
1 stop38h 20mTurkish Airlines
Fri 10/1010:45 amOPO - ORD
1 stop28h 55mTurkish Airlines
Deal found 6/15$717
This SWISS deal was found by Cheapflights users on 6/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/147:05 pmORD - OPO
2 stops36h 40mSWISS
Mon 7/217:50 pmOPO - ORD
2 stops46h 20mSWISS
Deal found 6/16$718
This Delta deal was found by Cheapflights users on 6/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/41:09 pmMDW - OPO
2 stops15h 31mDelta
Wed 8/209:20 amOPO - MDW
2 stops29h 56mDelta
Deal found 6/16$718
This Cheapflightsfares deal was found by Cheapflights users on 6/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/169:40 pmORD - OPO
2 stops19h 05mLufthansa
Sun 10/266:15 amOPO - ORD
2 stops19h 50mLufthansa
Deal found 6/14$724

Cheapflights Fare Finder

Customize your flight search to find flights from Michigan to Porto that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated June 16, 2025.
Use the filters below to find and compare flights from Michigan to Porto that are best for you.

Fly from

Michigan

Fly to

Porto

Route

Depart

Return

Price

ChicagoPorto

ORD - OPO

ORDOPO

Chicago O'Hare Intl

Tue 7/15

4:20 pm-10:15 pm

1 stop23h 55m

Porto

Wed 7/23

9:20 am-9:43 pm

2 stops18h 23m

$695

ChicagoPorto

ORD - OPO

ORDOPO

Chicago O'Hare Intl

Mon 7/14

3:35 pm-9:35 am

1 stop12h 00m

Porto

Sun 7/20

11:20 am-9:09 am

2 stops27h 49m

$697

ChicagoPorto

ORD - OPO

ORDOPO

Chicago O'Hare Intl

Wed 7/2

4:50 pm-10:15 pm

1 stop23h 25m

Porto

Thu 7/10

6:30 am-2:10 pm

1 stop13h 40m

$699

ChicagoPorto

ORD - OPO

ORDOPO

Chicago O'Hare Intl

Sun 8/31

6:00 pm-10:55 am

1 stop10h 55m

Porto

Sat 9/6

11:00 am-4:30 pm

1 stop11h 30m

$701

ChicagoPorto

ORD - OPO

ORDOPO

Chicago O'Hare Intl

Wed 8/13

3:35 pm-9:20 am

1 stop11h 45m

Porto

Sun 8/17

6:00 am-11:00 am

1 stop35h 00m

$707

ChicagoPorto

ORD - OPO

ORDOPO

Chicago O'Hare Intl

Mon 8/25

10:25 pm-7:35 am

1 stop27h 10m

Porto

Sat 9/6

8:15 am-7:45 pm

2 stops17h 30m

$714

ChicagoPorto

MDW - OPO

MDWOPO

Chicago Midway

Tue 7/8

7:21 pm-3:35 pm

2 stops14h 14m

Porto

Wed 7/16

6:15 am-5:39 pm

2 stops17h 24m

$714

ChicagoPorto

ORD - OPO

ORDOPO

Chicago O'Hare Intl

Wed 7/16

1:01 pm-9:20 am

2 stops14h 19m

Porto

Wed 7/23

8:40 am-3:55 pm

1 stop13h 15m

$715

ChicagoPorto

ORD - OPO

ORDOPO

Chicago O'Hare Intl

Fri 9/26

7:50 pm-9:45 am

1 stop31h 55m

Porto

Thu 10/9

4:50 pm-5:55 pm

1 stop31h 05m

$717

ChicagoPorto

ORD - OPO

ORDOPO

Chicago O'Hare Intl

Mon 7/14

7:05 pm-1:45 pm

2 stops36h 40m

Porto

Mon 7/21

7:50 pm-12:10 pm

2 stops46h 20m

$718

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/16

Showing 1-10 of 36 results
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Best time to book a flight from Michigan to Porto

Have a flexible travel schedule? Discover the best time to fly to Porto from Michigan with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Michigan to Porto

What is the cheapest month to book a flight from Michigan to Porto?

Currently, January is the cheapest month in which you can book a flight from Michigan to Porto (average of $523). Flying from Michigan to Porto in June is currently the most expensive (average of $1,040). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from MI to OPO?

Find hourly flight availability from Michigan to Porto. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated June 16, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Michigan to Porto as you normally would.

Rainfall in Porto by month

Plan your trip to Porto by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Porto ranges from 0.7 - 7.7 inches per month. December is typically the wettest month, when rainfall can reach 7.7 in. July is typically the driest time to visit Porto when rainfall is around 0.7 in.

Temperature in Porto by month

Plan your trip to Porto by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Porto, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 68.0 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 48.2 F).

Reviews of airlines servicing Porto

Get insights into the airlines that provide service to Porto. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Porto. Reviews last updated June 16, 2025.
Read reviews from past customers who have flown Delta, KLM and Air Transat from Michigan to Porto. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,963 reviews

Crew

8.5

Comfort

7.9

Overall

8.0

Food

7.3

Boarding

8.2

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,963 reviews
Delta
8.0
Very good
7,963 reviews

Crew

8.5

Comfort

7.9

Overall

8.0

Food

7.3

Boarding

8.2

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
KLM
7.8
Good
1,363 reviews
Delta
8.0
Very good
7,963 reviews

Crew

8.5

Comfort

7.9

Overall

8.0

Food

7.3

Boarding

8.2

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Air Transat
7.8
Good
398 reviews
Delta
8.0
Very good
7,963 reviews

Crew

8.5

Comfort

7.9

Overall

8.0

Food

7.3

Boarding

8.2

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
SWISS
7.5
Good
1,628 reviews
Delta
8.0
Very good
7,963 reviews

Crew

8.5

Comfort

7.9

Overall

8.0

Food

7.3

Boarding

8.2

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Aeromexico
7.5
Good
1,711 reviews
Delta
8.0
Very good
7,963 reviews

Crew

8.5

Comfort

7.9

Overall

8.0

Food

7.3

Boarding

8.2

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Related info for your journey

Find useful and relevant information for your journey from Michigan to Porto. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Porto from Michigan?

    Porto (OPO) is the airport you will fly into if you book a flight from Michigan to Porto. It is only a 6.8 mi journey from Porto (OPO) to Porto’s city center.

  • What are the cheapest airlines to fly from Michigan to Porto one-way?

    One-way options have recently been found by users for as low as $262 on TAP AIR PORTUGAL. Other airlines that offer cheap prices include Air Canada from $436 and United Airlines from $463 one-way.

  • What are the most popular routes from Michigan to Porto?

    While some choose either Chicago Midway - Porto or Grand Rapids Gerald R. Ford Intl - Porto, Chicago O'Hare Intl - Porto is the most popular route from Michigan to Porto.

  • Can I find deals for flights from Michigan to Porto that include hotel bookings?

    Yes. In addition to deals on Michigan to Porto flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Michigan to Porto?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Michigan to Porto.

  • Can I find deals for business class flights from Michigan to Porto?

    Yes. Cheapflights offers flight deals from Michigan to Porto by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Michigan to Porto?

    Currently, January is the cheapest month in which you can book a flight from Michigan to Porto (average of $523). Flying from Michigan to Porto in June is currently the most expensive (average of $1,040). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Michigan?

Book flights to Michigan if you plan to visit one of these locations
Aveiro
Coimbra
Matosinhos
Arcos de Valdevez

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Alternative routes for Michigan to Porto

See prices for flight routes from nearby airports that may be better suited for you.
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Top 3 airlines flying from Michigan to Porto

Discover the top 3 airlines that operate flights from Michigan to Porto. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated June 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest$568Average$961FlexibilityNo cancel feeOn-time75%
DeltaCheapest$769Average$1,210FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$811Average$1,272FlexibilityNo cancel feeOn-time69%

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